IROC Put back together AND.....
Thread Starter
Member
Joined: Aug 2001
Posts: 421
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From: Cheyenne, WY
Car: 1991 T-Top RS
Engine: 305 TBI
Transmission: 700R4
IROC Put back together AND.....
She STILL makes that horrible tickign sound all you crew members heard at elk rivier Gathering! ARGH. Guess I DO have to change that head now. I'll be working on that tommorrow. Does anyone wanna help? LANCE????!?!?!?! 
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1987 IROC-Z T-Tops No GUTTED MAF!

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1987 IROC-Z T-Tops No GUTTED MAF!
<font face="Verdana, Arial" size="2">Originally posted by JohnnyIROC-Z:
She STILL makes that horrible tickign sound all you crew members heard at elk rivier Gathering! ARGH. Guess I DO have to change that head now. I'll be working on that tommorrow. Does anyone wanna help? LANCE????!?!?!?!
</font>
She STILL makes that horrible tickign sound all you crew members heard at elk rivier Gathering! ARGH. Guess I DO have to change that head now. I'll be working on that tommorrow. Does anyone wanna help? LANCE????!?!?!?!

</font>
BTW, dont change just one head, while you got all the TPI/intake stuff off, put both of em on there. You got a valve spring compressor to do the seals right? If not, swing by a parts store, and pick one up, your gasket kit should have came with the seals, mine did when I put the L98s on.
Let us know what happens!
-Roshambo
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-Joe
1988 Pontiac Trans Am WS6 - 305 TPI, 700R4, 3.23 Posi, Digital Dash, Leather Seats, Maui Blue with Silver GFX, T-tops, Tinted Glass, Gutted MAF, TB Coolant Bypass, K&N Cone Filter, Hi Flo Cat, 3" exhaust from Y-pipe back, MSD Super Coil, Accel 8mm wires, L98 Aluminum Heads, Ported and Polished Plenum, Siamesed Intake, Aluminum Driveshaft, Edelbrock 3 point Strut Tower Brace
Thread Starter
Member
Joined: Aug 2001
Posts: 421
Likes: 0
From: Cheyenne, WY
Car: 1991 T-Top RS
Engine: 305 TBI
Transmission: 700R4
I was figuring On doing them both. It just pisses me off that I had it all the way down to just having to take off the heads and I didn't do it. I doubt it's a wrist pin 'cause it only does it when #6 intake closes to rest against the head. But I guess we'll find out.
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1987 IROC-Z T-Tops No GUTTED MAF!
[This message has been edited by JohnnyIROC-Z (edited September 07, 2001).]
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1987 IROC-Z T-Tops No GUTTED MAF!
[This message has been edited by JohnnyIROC-Z (edited September 07, 2001).]
Thread Starter
Member
Joined: Aug 2001
Posts: 421
Likes: 0
From: Cheyenne, WY
Car: 1991 T-Top RS
Engine: 305 TBI
Transmission: 700R4
damn i'm fast. almost ready to take off the heads and I've only been working for 2 hours.
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1987 IROC-Z T-Tops wait... GUTTED MAF!
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1987 IROC-Z T-Tops wait... GUTTED MAF!
Thread Starter
Member
Joined: Aug 2001
Posts: 421
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From: Cheyenne, WY
Car: 1991 T-Top RS
Engine: 305 TBI
Transmission: 700R4
well well well, The lifters on #6 were toast. the roller ***** were flat on one and gone on the other, and the body of the lifters were screwed up. the exhaust lifter was the worst half the lifter was gone. Anyway I broke my exhaust manifold on the passenger side so now I need to find another one. SO I guess junkyard time.
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1987 IROC-Z T-Tops wait... GUTTED MAF!
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1987 IROC-Z T-Tops wait... GUTTED MAF!
<font face="Verdana, Arial" size="2">Originally posted by JohnnyIROC-Z:
Anyway I broke my exhaust manifold on the passenger side so now I need to find another one. SO I guess junkyard time.
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Anyway I broke my exhaust manifold on the passenger side so now I need to find another one. SO I guess junkyard time.
</font>
Howd you manage that one John? Good to know you got it figured out! See, I told you that you got a damn good deal on that thing!

-Roshambo
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Yeah, you should see those things. Those roller bearings are toast. I was over there today watching John work on his IROC. He was too slow though to get it all back together and running before I had to leave
Got out my digital camera to take some pics to show ya'll, but the batteries were dead. What can I tell you... Life sucks sometimes, hehe. BTW, Rollerball was my favorite skating movie when I was a kid, but ever since I saw Boogie Nights I'd have to say that is my favorite roller skating movie now.
Got out my digital camera to take some pics to show ya'll, but the batteries were dead. What can I tell you... Life sucks sometimes, hehe. BTW, Rollerball was my favorite skating movie when I was a kid, but ever since I saw Boogie Nights I'd have to say that is my favorite roller skating movie now.
Thread Starter
Member
Joined: Aug 2001
Posts: 421
Likes: 0
From: Cheyenne, WY
Car: 1991 T-Top RS
Engine: 305 TBI
Transmission: 700R4
My cam is a roller cam so it has roller lifters. Basically the lifters have little ***** ont he bottom that roll along the cam. Those ***** were toast. anyway all back together sounds allright but there's sitll a bit of an exhaust leak. a neighbor guy happened to have the EXACT same exhaust manifold I was looking for. I'm gunna take it to the muffler shop and have 'em mate it up right. I'm sick of crawling udner hte car. It'll run now so I can take it to the shop.
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1987 IROC-Z T-Tops wait... GUTTED MAF!
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1987 IROC-Z T-Tops wait... GUTTED MAF!
Joined: Mar 2001
Posts: 10,425
Likes: 2,089
Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Actually, it's a cylindrical roller set on needle bearings. It rolls over the profile of the cam as the cam rotates. A ball would do the same thing but allow rotation in any direction and it would have a very small contact patch resulting in cams that groove quickly because of the high pressure at the contact point. The cylindrical shape of the roller reduces the pressure on the cam by increasing the contact patch. Sorry, I just had to clarify. hehe.
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